Latest Machine Learning Engineer Jobs

Principal Machine Learning Infrastructure Engineer

This role involves designing and operating distributed machine learning infrastructure for large-scale physics-based AI models, with a focus on training efficiency, data pipeline performance, and model serving. The engineer will work closely with research scientists and ML engineers to build scalable systems on NVIDIA DGX hardware, optimize I/O for complex mesh datasets, and enable reliable deployment of models into customer environments. A strong foundation in distributed training, HPC systems, and Kubernetes is essential.

PhysicsX London, United Kingdom

Senior Software Engineer

This role involves leading backend and edge/IoT engineering efforts to build production-grade AI systems for high-stakes defence applications. The engineer will bridge machine learning research with robust software delivery, using Python and compiled languages like Rust or C++, while implementing scalable CI/CD, containerisation, and Kubernetes deployments. Collaboration with data scientists and mentoring of engineering peers are key aspects of the position.

Faculty AI London, United Kingdom

Hybrid Permanent Flexible Clearance Required

Senior Research Engineer - Interactive Avatars

Develop and advance AI-driven interactive avatars using diffusion models, focusing on real-time video generation, audio conditioning, and contextual responsiveness. Work within a research-forward team to translate cutting-edge generative AI into scalable product features. Responsibilities include improving lip-sync accuracy, motion realism, and building evaluation frameworks for long-form interactive video.

Synthesia London, United Kingdom

Remote Permanent

Senior CFD Engineer - Multiphase

This role involves developing high-fidelity multi-physics simulation models, particularly in multiphase CFD and coupled CFD-DEM, to support AI-driven engineering solutions. The engineer will work directly with customers across industries like aerospace, energy, and automotive to build and validate complex simulations, automate workflows, and generate data for machine learning. Key responsibilities include geometry processing, meshing, simulation, and optimisation using tools like Star-CCM+, OpenFOAM, or Fluent, alongside Python scripting and parametric CAD integration.

PhysicsX London, United Kingdom

Relational Foundation Model Engineer, Modern Data Stack

Our work at NVIDIA is dedicated towards a computing model focused on visual and AI computing. For two decades, NVIDIA has pioneered visual computing, the art and science of computer graphics, with our invention of the GPU. The GPU has...

NVIDIA

Relational Foundation Model Engineer, Modern Data Stack

Our work at NVIDIA is dedicated towards a computing model focused on visual and AI computing. For two decades, NVIDIA has pioneered visual computing, the art and science of computer graphics, with our invention of the GPU. The GPU has...

NVIDIA

Senior Software Test Engineer

The role involves leading test engineering efforts within a cross-functional product team, focusing on frontend, backend, and mobile applications built on microservices and machine learning. Responsibilities include designing automated test frameworks, driving quality improvements, mentoring team members, and integrating testing into CI/CD pipelines. The engineer will use a mix of open-source and custom tools while advocating for strong test culture and quality practices across teams.

Entrust Portugal

Senior Software Test Engineer

This role involves leading test engineering efforts within a cross-functional team, focusing on designing and implementing automated test frameworks for web, backend, and mobile applications built on microservices and machine learning. The engineer will advocate for quality, mentor team members, and integrate testing into CI/CD pipelines using modern tools and cloud infrastructure. The position emphasizes ownership of test strategy and collaboration with product and engineering to ensure robust, scalable solutions.

Entrust

ML Runtime Engineer (Mid-Level and Senior)

Develop and optimize the ML runtime stack for AI accelerators, integrating with open-source frameworks like PyTorch and vLLM. Work closely with hardware and software teams in a co-design environment to enable high-performance inference. Build low-level systems in Rust and contribute to cutting-edge AI infrastructure.

Fractile Bristol, United Kingdom

Hybrid Permanent

DV Cleared AI & Palantir Engineers - Graduate to Senior

This role involves working on high-impact national security and advanced technology programmes using cutting-edge tools like Palantir and AI/ML technologies. Engineers will tackle complex technical challenges in secure environments, with opportunities to work across the full stack from data engineering to software development. The position supports career progression from graduate to senior levels within a collaborative, multidisciplinary team.

CBSbutler Holdings Limited trading as CBSbutler London, United Kingdom £40,000 – £100,000 pa

Data & AI Engineer

This role involves building scalable data platforms to support AI systems, with a focus on data ingestion, transformation, and integration for advanced analytics and LLM-powered applications. You'll work with JSON, DataFrames, and REST APIs to prepare complex datasets for retrieval-augmented generation, semantic search, and scenario modelling. The position requires strong Python and data engineering skills within an AI-driven enterprise environment.

FDM London, United Kingdom £50,000 – £70,000 pa

Hybrid Contract

Frontier Agents Engineer

This role involves building and optimizing advanced AI agents for enterprise clients using Scale's Generative Platform. You'll work directly with customers to translate business needs into technical solutions, leveraging cutting-edge models and multimodal AI capabilities. The position requires hands-on development, debugging in production environments, and iterating on ML systems using data-driven experimentation.

Scale AI London, United Kingdom

Hybrid Permanent

Software AI Engineer

This role involves building LLM-based solutions in a high-growth FinTech, working in a multi-disciplinary team to turn innovative ideas into production-ready AI products. The Software AI Engineer will have end-to-end project exposure, a strong focus on AI security, and the opportunity for extensive personal and career development.

SF Partners United Kingdom £60,000 – £70,000 pa

Remote Permanent

Senior Software Engineer, Inference

About AnthropicAnthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers,...

Anthropic London, United Kingdom

Staff Software Engineer, Inference

About AnthropicAnthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers,...

Anthropic London, United Kingdom